PMID- 23627709 OWN - NLM STAT- MEDLINE DCOM- 20140107 LR - 20220408 IS - 1875-5828 (Electronic) IS - 1567-2050 (Print) IS - 1567-2050 (Linking) VI - 10 IP - 5 DP - 2013 Jun TI - Treadmill exercise prevents learning and memory impairment in Alzheimer's disease-like pathology. PG - 507-15 AB - Alzheimer's disease (AD) is a neurodegenerative disorder that is characterized by progressive memory loss. In contrast, accumulating evidence suggests a neuroprotective role of regular exercise in aging associated memory impairment. In this study, we investigated the ability of regular exercise to prevent impairments of short-term memory (STM) and early long-term potentiation (E-LTP) in area CA1 of the hippocampus in a rat model of AD (i.c.v. infusion of 250 pmol/day Abeta1-42 peptides). We utilized behavioral assessment, in vivo electrophysiological recording, and immunoblotting in 4 groups of adult Wistar rats: control, treadmill exercise (Ex), beta-amyloid-infused (Abeta), and amyloid-infused/treadmill exercised (Ex/Abeta). Our findings indicated that Abeta rats made significantly more errors in the radial arm water maze (RAWM) compared to all other groups and exhibited suppressed E-LTP in area CA1, which correlated with deleterious alterations in the levels of memory and E-LTP-related signaling molecules including calcineurin (PP2B), brain derivedneurotrophic factor (BDNF) and phosphorylated CaMKII (p-CaMKII). Compared to controls, Ex and Ex/Abeta rats showed a similar behavioral performance and a normal E-LTP with no detrimental changes in the levels of PP2B, BDNF, and p- CaMKII. We conclude that treadmill exercise maybe able to prevent cognitive impairment associated with AD pathology. FAU - Dao, An T AU - Dao AT AD - Department of PPS, College of Pharmacy, University of Houston, Houston, TX 77204-5037, USA. FAU - Zagaar, Munder A AU - Zagaar MA AD - Texas Southern University Department of Pharmacy Practice and Clinical Health Sciences Houston, TX 77004 FAU - Levine, Amber T AU - Levine AT FAU - Salim, Samina AU - Salim S FAU - Eriksen, Jason L AU - Eriksen JL FAU - Alkadhi, Karim A AU - Alkadhi KA LA - eng GR - R15 AG039008/AG/NIA NIH HHS/United States GR - R15 MH093918/MH/NIMH NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United Arab Emirates TA - Curr Alzheimer Res JT - Current Alzheimer research JID - 101208441 RN - 0 (Amyloid beta-Peptides) RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (Peptide Fragments) RN - 0 (amyloid beta-protein (1-42)) RN - EC 2.7.11.17 (Calcium-Calmodulin-Dependent Protein Kinase Type 2) RN - EC 3.1.3.16 (Calcineurin) SB - IM MH - Alzheimer Disease/chemically induced/*complications/pathology/*rehabilitation MH - Amyloid beta-Peptides/toxicity MH - Analysis of Variance MH - Animals MH - Brain-Derived Neurotrophic Factor/metabolism MH - CA1 Region, Hippocampal/pathology MH - Calcineurin/metabolism MH - Calcium-Calmodulin-Dependent Protein Kinase Type 2/metabolism MH - Disease Models, Animal MH - Drug Delivery Systems MH - Electric Stimulation MH - Exercise Test MH - Learning Disabilities/*prevention & control MH - Long-Term Potentiation/drug effects MH - Male MH - Maze Learning/drug effects MH - Memory Disorders/*prevention & control MH - Memory, Short-Term/drug effects MH - Peptide Fragments/toxicity MH - Physical Conditioning, Animal/*methods MH - Rats MH - Rats, Wistar MH - Up-Regulation/drug effects PMC - PMC4004077 MID - NIHMS538624 COIS- The authors disclose no conflict of biomedical or financial interest. EDAT- 2013/05/01 06:00 MHDA- 2014/01/08 06:00 PMCR- 2014/06/01 CRDT- 2013/05/01 06:00 PHST- 2012/08/21 00:00 [received] PHST- 2013/01/29 00:00 [revised] PHST- 2013/01/30 00:00 [accepted] PHST- 2013/05/01 06:00 [entrez] PHST- 2013/05/01 06:00 [pubmed] PHST- 2014/01/08 06:00 [medline] PHST- 2014/06/01 00:00 [pmc-release] AID - CAR-EPUB-20130430-5 [pii] AID - 10.2174/1567205011310050006 [doi] PST - ppublish SO - Curr Alzheimer Res. 2013 Jun;10(5):507-15. doi: 10.2174/1567205011310050006.